The second half of the 2026 ProKart Challenge began over the August 15-16 weekend at Sonoma Raceway. The Sonoma, California circuit welcomed the series for the second of back-to-back trips, hosting the fourth round of the season championship on the ‘Reverse National’ layout. Picture-perfect weather greeted the nearly 160 entries across 11 categories for the weekend.

Two decades of racing completed in September for the California ProKart Challenge. The Superkarts! USA regional program hosted five events, featuring six rounds of competition throughout southern California. It was another successful year, experiencing tight racing in every category, while the organization awarded over $50,000 in prizes over the course of the season, including weekend and championship awards.

The sixth and final round of the Superkarts! USA California ProKart Challenge was held over the September 28-29 weekend, returning to the K1 Circuit. The Winchester, California facility sparked up the entry total once again, surpassing the 150-mark for 11 classes in competition. Perfect weather greeted the teams and drivers completing the 20th season for the championship program.

Debut event at anticipated facility welcomes big numbers in double weekend for Superkarts! USA regional program

 

Year 20 of the California ProKart Challenge will complete the first half of the championship chase when the series heads to the Santa Maria Kart Track on the May 18-19 weekend. The first two rounds of the 2024 Superkarts! USA regional series were held at the Buttonwillow Raceway Park, and now the program heads to Santa Maria near the Pacific Coast for Round Three.